public Texture2DSlim(RawDataFormat dataFormat, TextureFormat format, byte[] rawData)
{
DataFormat = dataFormat;
switch (dataFormat)
{
case RawDataFormat.DXT:
if (format != TextureFormat.DXT1 && format != TextureFormat.DXT5)
{
throw new ArgumentOutOfRangeException(nameof(format), "Invalid TextureFormat. Only DXT1 and DXT5 formats are supported by this method.");
}
Format = format;
var ddsSizeCheck = rawData[4];
if (ddsSizeCheck != 124)
{
throw new ArgumentOutOfRangeException(nameof(rawData), "Invalid DDS DXTn texture. Unable to read"); // this header byte should be 124 for DDS image files
}
Height = (rawData[13] << 8) | rawData[12];
Width = (rawData[17] << 8) | rawData[16];
var dxtBytes = new byte[rawData.Length - DDS_HEADER_SIZE];
Buffer.BlockCopy(dxtBytes, DDS_HEADER_SIZE, dxtBytes, 0, rawData.Length - DDS_HEADER_SIZE);
RawData = dxtBytes;
return;
case RawDataFormat.Raw:
RawData = rawData;
return;
default: throw new NotImplementedException($"{dataFormat}");
}
}
public Texture2DInfo(RawDataFormat dataFormat, TextureFormat format, byte[] rawData)
{
DataFormat = dataFormat;
switch (dataFormat)
{
// https://answers.unity.com/questions/555984/can-you-load-dds-textures-during-runtime.html#answer-707772
case RawDataFormat.DXT:
if (format != TextureFormat.DXT1 && format != TextureFormat.DXT5)
{
throw new ArgumentOutOfRangeException("format", "Invalid TextureFormat. Only DXT1 and DXT5 formats are supported by this method.");
}
Format = format;
var ddsSizeCheck = rawData[4];
if (ddsSizeCheck != 124)
{
throw new ArgumentOutOfRangeException("ddsBytes", "Invalid DDS DXTn texture. Unable to read"); // this header byte should be 124 for DDS image files
}
Height = (rawData[13] << 8) | rawData[12];
Width = (rawData[17] << 8) | rawData[16];
var dxtBytes = new byte[rawData.Length - DDS_HEADER_SIZE];
Buffer.BlockCopy(dxtBytes, DDS_HEADER_SIZE, dxtBytes, 0, rawData.Length - DDS_HEADER_SIZE);
RawData = dxtBytes;
return;
}
}
public Texture2DSlim(int width, int height, TextureFormat format, bool hasMipmaps, byte[] rawData)
{
DataFormat = RawDataFormat.Raw;
Width = width;
Height = height;
Format = format;
HasMipmaps = hasMipmaps;
RawData = rawData;
}
public void FromYaml(YamlNode yamlNode)
{
YamlMappingNode node = yamlNode as YamlMappingNode;
Enabled = (node["enabled"] as YamlScalarNode).Value == "true";
MaxQueuedMessages = Convert.ToInt32((node["max-queued-messages"] as YamlScalarNode).Value);
DatabaseUrl = (node["database-url"] as YamlScalarNode).Value;
ConnectRetrySeconds = Convert.ToInt32((node["connect-retry-seconds"] as YamlScalarNode).Value);
StoreMeasurement = (node["store-measurement"] as YamlScalarNode).Value == "true";
StoreRawMessage = (node["store-raw-message"] as YamlScalarNode).Value == "true";
TableName = (node["table-name"] as YamlScalarNode).Value;
RawTableName = (node["raw-table-name"] as YamlScalarNode).Value;
RawDataFormat = (RawDataFormat)Convert.ToInt32((node["raw-data-format"] as YamlScalarNode).Value);
}
public void LoadImage(byte[] data)
{
using (var ms = new MemoryStream(data))
using (var r = new EndianBinaryReader(ms, Endian.LittleEndian))
{
var magicString = r.ReadBytes(4);
if (!"IMG ".EqualsASCIIBytes(magicString))
{
throw new FileFormatException($"Invalid IMG file magic string: \"{Encoding.ASCII.GetString(magicString)}\".");
}
DataFormat = (RawDataFormat)r.ReadByte();
HasMipmaps = r.ReadByte() != 0;
Format = (TextureFormat)r.ReadInt16();
Width = r.ReadInt32();
Height = r.ReadInt32();
var rawDataSize = r.ReadInt32();
RawData = r.ReadBytes(rawDataSize);
}
}
